Here is a 2220B I brought back to life, it had a channel out but it was just dirty controls that were causing it to drop out. I put new lamps in it and set the DC-offset and bias to spec and it sounds gorgeous, it definitely has that Marantz sound, not to mention that it's a very pretty receiver.
what controls were cleaned to make it work, I have the same problem, u4shop@aol.com Thank you
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